Answer:
Step 1 : Gather your numbers ; 4,3,4,3,4,3,12,9
Step 2 : Multiply The numbers in groups ;
- 4×3×4×3×4×3=
- 12×12×12=
- 144×12=1728
Step 3 : More Multplication.
Step 4: Add the the answeres together.
Step 5: Add your labels and your done!
1836 mm
Hope this helps!
-Aslina